A Comparison of Methods for Calibration and Use of Multi-component Strain Gauge Wind Tunnel Balances (Comparaison de Methodes d'Etalonnage et d'Utilisation des Balances Extensometriques de Soufflerie a Plusieurs Composantes),

1980 ◽  
Author(s):  
R. D. Galway
Measurement ◽  
2018 ◽  
Vol 116 ◽  
pp. 438-450 ◽  
Author(s):  
Abdelwahid Boutemedjet ◽  
Marija Samardžić ◽  
Dušan Ćurčić ◽  
Zoran Rajić ◽  
Goran Ocokoljić

2013 ◽  
Vol 542 ◽  
pp. 171-177 ◽  
Author(s):  
Jan Ryś ◽  
Marcin Augustyn

This paper deals with a description of a new type an aerodynamic balance used in a wind tunnel for measuring forces acting on a model. A concept of the strain gauge balance in which the three component of aerodynamically force can be measured was presented. The tests proved good measuring accuracy of this construction. On the basis of such a solution three component of force and aerodynamic load factors can be easily evaluated.


2014 ◽  
Vol 54 (5) ◽  
pp. 352-357
Author(s):  
Vladimír Socha ◽  
Patrik Kutílek ◽  
Pavel Smrčka ◽  
Luboš Socha

Two methods which are suitable to monitor the small movements of the patient in a horizontal position on the bed are compared. The methods use sensors based on strain gauge bridges configured to measure the torsion deformation and sensors based on strain gauge bridges configured to measure the bending deformation of two two-arm brackets. Both methods provide information about the patient's physiological movements. The methods were tested and compared in order to decide which methods may be most appropriate in clinical practice. The two methods have never been compared before, and the results can be used in development of the new methods of patient monitoring.


Author(s):  
Guru Sankar Duppada ◽  
Nikhil Nalamasu ◽  
Naga Saikiranmai Aduri ◽  
Navya Arisetty ◽  
Ramakrishna Madhira ◽  
...  

1966 ◽  
Vol 70 (670) ◽  
pp. 951-952 ◽  
Author(s):  
J. A. C. Marsden

In preparation for the wind tunnel testing of a series of aerodynamic research models a strain-gauged balance was sought which could be successfully made without the use of sophisticated tools. The principal requirements which influenced the design of the balance were:(a)It must enable lift, drag and pitching moment to be measured.(b)Deformation of the balance under the aerodynamic loads to be small.(c)Use of only basic workshop tools.(d)Short manufacturing time.Further, the models were to be sting mounted at one end of the balance with their span vertical. The other end of the balance was to be rigidly fixed to a supporting stand which would be mounted on the wind tunnel turntable to permit incidence variation (Fig. 5).


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